[INFO] fetching crate mailchecker 4.0.7...
[INFO] checking mailchecker-4.0.7 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate mailchecker 4.0.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mailchecker 4.0.7 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailchecker 4.0.7
[INFO] finished tweaking crates.io crate mailchecker 4.0.7
[INFO] tweaked toml for crates.io crate mailchecker 4.0.7 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate mailchecker 4.0.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e240b767a4f4ac4b3f7eeaf4aee66264ce2059eb60e10a6003cf98988c224e9c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e240b767a4f4ac4b3f7eeaf4aee66264ce2059eb60e10a6003cf98988c224e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e240b767a4f4ac4b3f7eeaf4aee66264ce2059eb60e10a6003cf98988c224e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e240b767a4f4ac4b3f7eeaf4aee66264ce2059eb60e10a6003cf98988c224e9c", kill_on_drop: false }`
[INFO] [stdout] e240b767a4f4ac4b3f7eeaf4aee66264ce2059eb60e10a6003cf98988c224e9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5848f6e35e6aacd15605d514e622249a03d1c198b9443503c595218b13802415
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5848f6e35e6aacd15605d514e622249a03d1c198b9443503c595218b13802415", kill_on_drop: false }`
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking pretty_assertions v0.1.2
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking mailchecker v4.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "5848f6e35e6aacd15605d514e622249a03d1c198b9443503c595218b13802415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5848f6e35e6aacd15605d514e622249a03d1c198b9443503c595218b13802415", kill_on_drop: false }`
[INFO] [stdout] 5848f6e35e6aacd15605d514e622249a03d1c198b9443503c595218b13802415